XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 XSPEC12>query no XSPEC12>data 1:1 sw00958141000b_avg.pha 1 spectrum in use Spectral Data File: sw00958141000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.272e-02 +/- 1.820e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 50 sec Using fit statistic: chi No response loaded. ***Warning! One or more spectra are missing responses, and are not suitable for fit. XSPEC12>response 1 sw00958141000b_avg.rsp Response successfully loaded. XSPEC12>ignore **-13.0 150.0-** 3 channels (1-3) ignored in spectrum # 1 18 channels (63-80) ignored in spectrum # 1 XSPEC12>model bremss Input parameter value, delta, min, bot, top, and max values for ... 7 0.05( 0.07) 0.0001 0.0001 100 200 1:bremss:kT>7.0000 5.00000E-02 1.00000E-04 1.00000E-04 100.00 200.00 1 0.01( 0.01) 0 0 1e+20 1e+24 2:bremss:norm>1.0000 1.00000E-02 0.0000 0.0000 1.00000E+24 1.00000E+24 ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 7.00000 +/- 0.0 2 1 bremss norm 1.00000 +/- 0.0 ________________________________________________________________________ Fit statistic : Chi-Squared 86.39 using 59 bins. Test statistic : Chi-Squared 86.39 using 59 bins. Null hypothesis probability of 7.23e-03 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 66.2213 0.361612 -2 10.2869 1.71699 64.921 0.794434 -1 12.0050 1.38568 63.8649 0.688081 -1 14.1541 1.10261 62.0636 1.39227 -1 17.3415 0.885659 60.05 1.41961 -1 22.0232 0.685077 57.398 2.42971 -1 29.9268 0.523676 54.1868 4.29644 -1 44.0403 0.410144 52.8092 6.73534 -2 79.6002 0.286370 48.1146 16.6338 -3 198.506 0.309356 47.8735 5.34488 -4 198.974 0.330692 ============================== Variances and Principal Axes 1 2 2.1111E-03| -0.0001 -1.0000 4.8054E+04| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 4.805e+04 -3.041e+00 -3.041e+00 2.304e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 198.974 +/- 219.213 2 1 bremss norm 0.330692 +/- 4.79950E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 47.87 using 59 bins. Test statistic : Chi-Squared 47.87 using 59 bins. Null hypothesis probability of 8.00e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 47.8728 0.000182274 0 199.111 0.331610 ============================== Variances and Principal Axes 1 2 2.1107E-03| -0.0001 -1.0000 5.6047E+04| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 5.605e+04 -3.268e+00 -3.268e+00 2.301e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.111 +/- 236.743 2 1 bremss norm 0.331610 +/- 4.79710E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 47.87 using 59 bins. Test statistic : Chi-Squared 47.87 using 59 bins. Null hypothesis probability of 8.00e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 47.8727 0.000172376 0 199.219 0.331603 ============================== Variances and Principal Axes 1 2 2.1105E-03| -0.0001 -1.0000 6.1614E+04| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 6.161e+04 -3.421e+00 -3.421e+00 2.301e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.219 +/- 248.222 2 1 bremss norm 0.331603 +/- 4.79639E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 47.87 using 59 bins. Test statistic : Chi-Squared 47.87 using 59 bins. Null hypothesis probability of 8.00e-01 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.11.0 Mon Jun 1 00:25:16 2020 Auto-saving is done after every command. Fit statistic in use: Chi-Squared Minimization technique: Levenberg-Marquardt Convergence criterion = 0.01 Parameter fit deltas: 0.01 * parValue Using chain rule to calculate statistic derivatives (faster method). Querying disabled - will not continue fitting. Prefit-renorming enabled. Solar abundance table: angr Photoionization Cross-Section Table: bcmc: Balucinska-Church and McCammon, 1998 Cosmology in use: H0 = 70 q0 = 0 Lambda0 = 0.73 Model data directory: /software/lheasoft/release/x86_64-pc-linux-gnu-libc2.12/../spectral/manager/../modelData/ Plot settings: Showing of individual additive components is OFF. Showing of background spectra is OFF. Effective area normalization is OFF. Current unit settings: Energy = keV Wavelength = angstrom, with Y-Axis displayed per Hz X-Axis data display mode: Channels Spectra plots will be shifted to source frame by redshift value z: 0 Device: /null Plotting of line IDs is OFF. Splashpage is ON. xlog for data plots is ON. ylog for data plots is OFF. Default plot rebin settings for all plot groups: Min. Signif. Max. # Bins Error Type 0.00000 1 quad Responses read: sw00958141000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00958141000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00958141000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.129e-02 +/- 1.509e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 50 sec Using fit statistic: chi Using Response (RMF) File sw00958141000b_avg.rsp for Source 1 Spectral data counts: 0.564527 Model predicted rate: 1.05034E-02 Current model list: ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.219 +/- 248.222 2 1 bremss norm 0.331603 +/- 4.79639E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 47.87 using 59 bins. Test statistic : Chi-Squared 47.87 using 59 bins. Null hypothesis probability of 8.00e-01 with 57 degrees of freedom XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.026539 photons (8.258e-10 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.03160 (0.000 - 9.833e-10) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.028018 photons (1.5884e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.03287 (0.000 - 1.864e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.025843 photons (3.4828e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.03030 (0.000 - 4.084e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.0804 photons (5.897e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.09594 (0.000 - 7.037e-09) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0 *** Parameter upper bound is INVALID. 1 65.246 0 (-134.061,-199.307) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.256281 0.436844 (-0.0753113,0.105251) XSPEC12>log none Log file closed logging switched off XSPEC12>setplot energy XSPEC12>setplot command sc white 1 XSPEC12>setplot command cpd bat_spec_brems.gif/gif 2 XSPEC12>plot ldata delchi XSPEC12>/* XSPEC12>exit XSPEC: quit Spectral model: thermal bremsstrahlung ------------------------------------------------------------ Parameters : value Lower 90% Upper 90% kT [keV] : 199.219 (-134.061 -199.307) Norm : 0.331603 (-0.0753113 0.105251) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 4.129e-08 2.458e-08 25- 50 7.942e-08 4.660e-08 50-150 1.741e-07 1.021e-07 15-150 2.948e-07 1.759e-07